CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Nov. 30, 2016	Feb. 29, 2016
Current assets:
Cash and cash equivalents	$ 75,147	$ 139,388
Short-term marketable securities	25,675	88,718
Accounts receivable, less allowance for doubtful accounts of $773 and $622 at November 30, 2016 and February 29, 2016, respectively	66,969	49,432
Inventories	31,484	16,731
Prepaid expenses and other current assets	7,847	4,498
Total current assets	207,122	298,767
Property, equipment and improvements, net of accumulated depreciation and amortization	21,676	11,225
Deferred income tax assets	28,024	30,213
Goodwill	63,564	16,508
Other intangible assets, net	71,074	17,010
Other assets	11,287	10,640
Total assets	402,747	384,363
Current liabilities:
Accounts payable	33,392	24,938
Accrued payroll and employee benefits	10,977	6,814
Deferred revenue	15,243	9,438
Other current liabilities	14,380	8,375
Total current liabilities	73,992	49,565
1.625% convertible senior unsecured notes	145,021	139,800
Other non-current liabilities	15,244	5,551
Total liabilities	234,257	194,916
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value; 3,000 shares authorized; no shares issued or outstanding
Common stock, $.01 par value; 80,000 shares authorized; 35,479 and 36,667 shares issued and outstanding at November 30, 2016 and February 29, 2016, respectively	355	367
Additional paid-in capital	212,137	229,159
Accumulated deficit	(43,518)	(39,853)
Accumulated other comprehensive loss	(484)	(226)
Total stockholders' equity	168,490	189,447
Total Liabilities and Stockholders' Equity	$ 402,747	$ 384,363